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John Shields — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Shields across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 6-person household.
Age 60
b. ~1880
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Shields |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Laborer |
| Industry | Pennsylvania Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Laborer |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1880 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Shields | Head | — | 60 | ~1880 |
| James Shields | Son | — | 18 | ~1922 |
| Joseph Shields | Son | — | 27 | ~1913 |
| Anna Shields | Daughter | — | 35 | ~1905 |
| John Shields | Son | — | 25 | ~1915 |
| Sarah Shields | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Philadelphia, Pennsylvania
Head, age 43
Philadelphia, Pennsylvania · implied b. ~1877 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shields |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1904 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Oil Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1909 |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Head, age 50
Philadelphia, Pennsylvania · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shields |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 4500 |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Head, age 60
Philadelphia-County, Pennsylvania · implied b. ~1880 — 6 household members
| Surname | Shields |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Occupation | Laborer |
| Industry | Pennsylvania Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Shields across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Shields
Head · 1940 · age 60 · b. ~1880 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03733-00529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank E. Pirtyl | 34 | Head | Baker | Germany |
| 2 | Mary Pirtyl | 30 | Wife | — | Germany |
| 3 | Clara Pirtyl | 8 | Daughter | — | Penna. |
| 4 | William Jr. Pullar | 35 | Head | Legger | Penna. |
| 5 | Elizabeth Pullar | 38 | Wife | — | Penna. |
| 6 | William 3Rd Pullar | 13 | Son | — | Penna. |
| 7 | George Mumper | 32 | Lodger | Legger | Penna. |
| 8 | Mary Mumper | 31 | Lodger | — | Penna. |
| 9 | George Jr. Mumper | 13 | Lodger | — | Penna. |
| 10 | Arthur Mumper | 11 | Lodger | — | Penna. |
| 11 | John Mumper | 8 | Lodger | — | Penna. |
| 12 | Charles E. Symes | 46 | Head | Printer | Penna. |
| 13 | Mary Symes | 46 | Wife | — | Penna. |
| 14 | Charles Jr. Symes | 12 | Son | — | Penna. |
| 15 | Harry B. George | 57 | Head | Loader | Penna. |
| 16 | Martha George | 51 | Wife | — | Penna. |
| 17 | Thelma Youngless | 27 | Daughter | — | Penna. |
| 18 | Wayne Youngless | 27 | Son-in-law | Mail Clerk | Nebraska |
| 19 | Ella Jones | 71 | Mother-in-law | — | Penna. |
| 20 | George Henry | 47 | Head | Mechanical Engineer | Penna. |
| 21 | Curtis Henry | 16 | Son | — | Penna. |
| 22 | Joan Henry | 6 | Daughter | — | Penna. |
| 23 | Jean Henry | 24 | Sister | — | Penna. |
| 24 | Charles G. Zerr | 47 | Head | Engineer | Penna. |
| 25 | Jennie Mrs. Zerr | 46 | Wife | — | Penna. |
| 26 | W Cancel | None | W | W | W |
| 27 | W Cancel | None | W | W | W |
| 28 | John Shields THIS PERSON | 60 | Head | Laborer | Ireland |
| 29 | Sarah Shields | 59 | Wife | — | Ireland |
| 30 | John Shields | 25 | Son | Clerk | Penna. |
| 31 | Joseph Shields | 27 | Son | Laborer | Penna. |
| 32 | Anna Shields | 35 | Daughter | Laborer | Penna. |
| 33 | James Shields | 18 | Son | Laborer | Penna. |
| 34 | Michael Daly | 62 | Head | Watchman | Ireland |
| 35 | Annie Daly | 62 | Wife | — | Ireland |
| 36 | Catherine Daly | 24 | Daughter | Assembler | Penna. |
| 37 | Agnes Daly | 24 | Daughter | Battery Sorter | Penna. |
| 38 | Martin Weisbrod | 27 | Lodger | Baker | Penna. |
| 39 | Helen Weisbrod | 27 | Lodger | Stenographer | Penna. |
| 40 | Raymond Hagen | 61 | Head | Weaver | Penna. |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)